updated decorated to be more generic

    # return decorated copy (i.e. a subclass with decorations)

    return decorate(type('cls_copy', cls.__bases__, dict(cls.__dict__)))

def create_decorator(*args, **kwargs):

def create_decorator(dec, **namespace):

    """

    Create a decorator function using arbirary params. The objects passed in

    can be used in the body. Originally designed with the idea of automatically

    def decorator(func):

        def wrapper(self, *args, **kwargs):

            ret = func(self, *args, **kwargs)

            # do something with obj

            exec(dec, *args, **kwargs)

            if ret:

                return ret

        return wrapper